package com.jxs;

class Circle{
    private int radius;
    public static double PI = 3.14;
    public Circle(){}
    public Circle(int radius){
        this.radius = radius;
    }
    public void setRadius(int radius){
        this.radius = radius;
    }
    public int getRadius(){
        return radius;
    }
    public double findArea(int radius){
        return PI * radius * radius;
    }
}
public class CircleTest {
    public static void main(String[] args) {
        Circle c = new Circle();
        double result = c.findArea(5);
        System.out.println(result);
    }
}
